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13A Switched Socket With Quad USB Charger - Matt Black (Black Insert) Screwless

£2799
The RRP is the manufacturer's recommended retail price of the item.
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Description

The Knightsbridge SFR7USB4 is a 13A switched socket with four USB-A charging ports built into a matt black screwless faceplate with a black insert. The USB array delivers 5V DC across a shared 5.1A total output, with one port rated at 2.1A for tablets and three at 1A each for phones and smaller devices. The 13A socket itself is switched, providing control over mains power to the outlet while the USB ports remain live when the switch is off.

Designed for hotel rooms, serviced apartments, home offices and residential bedrooms where multiple devices need charging overnight or during the day, the quad USB layout reduces reliance on plug-in USB adapters that block adjacent sockets. The screwless cover plate clips onto a separate SPCC steel sub-frame fixed to the back box, leaving no visible screws or fixings on the wall once installed. The built-in gasket between the plate and wall surface keeps dust and debris out of the mechanism.

The matt black finish provides a neutral, low-reflectance surface that pairs with dark-toned interiors, industrial-style spaces and contemporary kitchens without the high polish of gloss black or the warmth of brass. The black insert behind the faceplate hides the back of the cover plate and gives a defined edge to the socket and USB apertures. The socket requires a 25-35mm back box depth depending on cable bundle size, and is certified to BS1363-2 for mains sockets and meets EMC and ErP requirements for USB charging.

Specification
Height 87.5mm
Width 147.5mm
Depth 30.3mm
Projection 9.5mm
Recessed Depth 20.8mm
Min. Mounting Box Depth 25-35mm (dependent on wiring conditions)mm
Plate Depth 4.3mm
Construction SPCC Steel
Finish Matt Black
IP Rating IP20
Class I
Primary Voltage 230V 50Hz
Earth Terminal Yes
Warranty 2 Year Guarantee
Downloads

Product Specification Sheet

Frequently Asked

What is the USB charging output?

The four USB-A ports share a total 5V DC 5.1A output. One port is rated at 2.1A for tablets, the other three at 1A each for phones and accessories. Actual charging speed depends on the device and cable used.

Do the USB ports turn off when the socket is switched off?

No. The switch controls only the 13A mains socket. The USB ports remain live regardless of switch position, allowing devices to charge overnight even when the socket switch is off.

What back box depth is required?

A 25mm minimum back box depth is needed for straightforward installations. More complex cable runs or larger conductor bundles may require up to 35mm depth to accommodate the wiring behind the mechanism.

Is the screwless plate removable for redecorating?

Yes. The cover plate clips onto a separate steel sub-frame fixed to the back box. The plate can be unclipped for painting or wallpapering around the socket and re-clipped without touching the wiring.

Shipping & Returns

Free worldwide delivery

Free worldwide delivery on all orders over £99. International orders for third-party brand products may be subject to an additional courier surcharge based on volumetric weight, particularly on larger lighting fixtures — if a surcharge applies, our team will email you with the amount before dispatch and you can proceed or cancel for a full refund. See full delivery terms.

Returns

30-day returns window from delivery. As all our products are electrical or lighting goods, returned items must be inspected and recertified by a qualified electrician before resale — the cost of this inspection (25–40% of the item value) is deducted from your refund. Customers pay return shipping. Made-to-order, special-order and clearance items cannot be returned. See full returns policy.

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    Description

    The Knightsbridge SFR7USB4 is a 13A switched socket with four USB-A charging ports built into a matt black screwless faceplate with a black insert. The USB array delivers 5V DC across a shared 5.1A total output, with one port rated at 2.1A for tablets and three at 1A each for phones and smaller devices. The 13A socket itself is switched, providing control over mains power to the outlet while the USB ports remain live when the switch is off.

    Designed for hotel rooms, serviced apartments, home offices and residential bedrooms where multiple devices need charging overnight or during the day, the quad USB layout reduces reliance on plug-in USB adapters that block adjacent sockets. The screwless cover plate clips onto a separate SPCC steel sub-frame fixed to the back box, leaving no visible screws or fixings on the wall once installed. The built-in gasket between the plate and wall surface keeps dust and debris out of the mechanism.

    The matt black finish provides a neutral, low-reflectance surface that pairs with dark-toned interiors, industrial-style spaces and contemporary kitchens without the high polish of gloss black or the warmth of brass. The black insert behind the faceplate hides the back of the cover plate and gives a defined edge to the socket and USB apertures. The socket requires a 25-35mm back box depth depending on cable bundle size, and is certified to BS1363-2 for mains sockets and meets EMC and ErP requirements for USB charging.

    Specification
    Height 87.5mm
    Width 147.5mm
    Depth 30.3mm
    Projection 9.5mm
    Recessed Depth 20.8mm
    Min. Mounting Box Depth 25-35mm (dependent on wiring conditions)mm
    Plate Depth 4.3mm
    Construction SPCC Steel
    Finish Matt Black
    IP Rating IP20
    Class I
    Primary Voltage 230V 50Hz
    Earth Terminal Yes
    Warranty 2 Year Guarantee
    Downloads

    Product Specification Sheet

    Frequently Asked

    What is the USB charging output?

    The four USB-A ports share a total 5V DC 5.1A output. One port is rated at 2.1A for tablets, the other three at 1A each for phones and accessories. Actual charging speed depends on the device and cable used.

    Do the USB ports turn off when the socket is switched off?

    No. The switch controls only the 13A mains socket. The USB ports remain live regardless of switch position, allowing devices to charge overnight even when the socket switch is off.

    What back box depth is required?

    A 25mm minimum back box depth is needed for straightforward installations. More complex cable runs or larger conductor bundles may require up to 35mm depth to accommodate the wiring behind the mechanism.

    Is the screwless plate removable for redecorating?

    Yes. The cover plate clips onto a separate steel sub-frame fixed to the back box. The plate can be unclipped for painting or wallpapering around the socket and re-clipped without touching the wiring.

    Shipping & Returns

    Free worldwide delivery

    Free worldwide delivery on all orders over £99. International orders for third-party brand products may be subject to an additional courier surcharge based on volumetric weight, particularly on larger lighting fixtures — if a surcharge applies, our team will email you with the amount before dispatch and you can proceed or cancel for a full refund. See full delivery terms.

    Returns

    30-day returns window from delivery. As all our products are electrical or lighting goods, returned items must be inspected and recertified by a qualified electrician before resale — the cost of this inspection (25–40% of the item value) is deducted from your refund. Customers pay return shipping. Made-to-order, special-order and clearance items cannot be returned. See full returns policy.